/Engine/Source/Editor/SequencerCore/Public/MVVM/ViewModels/ViewModelHierarchy.h
Invoke a callback on these children, and move them all into the specified destination list, changing parent pointers if necessary
template<typename T, typename Callback> void MoveChildrenTo ( const [FViewModelChildren](API\Editor\SequencerCore\MVVM\ViewModels\FViewModelChildren) & OutDestination, Callback && InCallback )